AU3396801A - Communications apparatus - Google Patents

Communications apparatus

Info

Publication number
AU3396801A
AU3396801A AU33968/01A AU3396801A AU3396801A AU 3396801 A AU3396801 A AU 3396801A AU 33968/01 A AU33968/01 A AU 33968/01A AU 3396801 A AU3396801 A AU 3396801A AU 3396801 A AU3396801 A AU 3396801A
Authority
AU
Australia
Prior art keywords
communications apparatus
communications
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU33968/01A
Inventor
Christopher David Baggs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes International Treasury Services Ltd
Original Assignee
ABB Offshore Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Offshore Systems Ltd filed Critical ABB Offshore Systems Ltd
Publication of AU3396801A publication Critical patent/AU3396801A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
AU33968/01A 2000-04-20 2001-02-26 Communications apparatus Abandoned AU3396801A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0009661 2000-04-20
GB0009661A GB2361597A (en) 2000-04-20 2000-04-20 Underwater optical fibre communication system
PCT/GB2001/000812 WO2001081725A1 (en) 2000-04-20 2001-02-26 Communications apparatus

Publications (1)

Publication Number Publication Date
AU3396801A true AU3396801A (en) 2001-11-07

Family

ID=9890228

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33968/01A Abandoned AU3396801A (en) 2000-04-20 2001-02-26 Communications apparatus

Country Status (5)

Country Link
EP (1) EP1200710A1 (en)
AU (1) AU3396801A (en)
GB (1) GB2361597A (en)
NO (1) NO20016250L (en)
WO (1) WO2001081725A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6995899B2 (en) * 2002-06-27 2006-02-07 Baker Hughes Incorporated Fiber optic amplifier for oilfield applications
GB2396086C (en) * 2002-12-03 2007-11-02 Vetco Gray Controls Ltd A system for use in controlling a hydrocarbon production well
US7261162B2 (en) 2003-06-25 2007-08-28 Schlumberger Technology Corporation Subsea communications system
GB2429126A (en) * 2005-08-09 2007-02-14 Vetco Gray Controls Ltd Fibre optic umbilical for underwater well with electrically powered optical repeater
GB2531602A (en) * 2014-10-24 2016-04-27 Ge Oil & Gas Uk Ltd Optical amplifier for subsea control systems
GB2532759A (en) * 2014-11-27 2016-06-01 Ge Oil & Gas Uk Ltd Subsea power and communication distribution
GB2536902A (en) * 2015-03-30 2016-10-05 Ge Oil & Gas Uk Ltd Ethernet distributed passive optical networking for subsea systems
US11824682B1 (en) 2023-01-27 2023-11-21 Schlumberger Technology Corporation Can-open master redundancy in PLC-based control system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053391A1 (en) * 1980-12-01 1982-06-09 Siemens Aktiengesellschaft Fiber optical sensor system, preferably for use in automobile equipment
GB8819574D0 (en) * 1988-08-17 1988-09-21 Britoil Plc Fibre optic data coupler
ES2104740T3 (en) * 1991-02-11 1997-10-16 Alsthom Cge Alcatel OPTICAL COMMUNICATION SYSTEM FOR THE SUBSCRIBER CONNECTION AREA WITH OPTICAL AMPLIFIERS.
US5519526A (en) * 1992-10-21 1996-05-21 California Institute Of Technology Optical protocols for communication networks
GB9324334D0 (en) * 1993-11-26 1994-01-12 Sensor Dynamics Ltd Apparatus for the remote measurement of physical parameters
GB9408582D0 (en) * 1994-04-29 1994-06-22 Northern Telecom Ltd Communications system
FR2744579B1 (en) * 1996-02-06 1998-02-27 Cit Alcatel BIDIRECTIONAL OPTICAL LINK AND AMPLIFICATION DEVICE FOR THIS LINK

Also Published As

Publication number Publication date
GB2361597A (en) 2001-10-24
WO2001081725A1 (en) 2001-11-01
NO20016250L (en) 2002-02-20
GB0009661D0 (en) 2000-06-07
NO20016250D0 (en) 2001-12-19
EP1200710A1 (en) 2002-05-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase